17 Utility and 1 Design Patents
#2,701 in Beijing
#6,895 in China
#209,916 in the World
rank by utility patentsForward Citations = 19
Company Filing History:

Hefei Xinsheng Optoelectronics Technology Co., Ltd.

4. 3 out of 4
Protgen Ltd.
5. 2 out of 163,870

where one patent can have more than one assignee
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